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Analytical and numerical methods for capturing the thermal fluctuations of semiflexible polymers

机译：捕获半柔性聚合物热波动的分析和数值方法

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摘要

Semiflexible polymers that are submerged in a viscous fluid of finite temperature continuously fluctuate. An accurate description of such thermal fluctuations of single semiflexible polymers forms the corner stone of research on both synthetic and biological polymers in a wide variety of research fields, such as material science, mechanobiology, biophysics and bioengineering. The current study presents an overview of both analytical and numerical coarse-grained models that capture the Brownian dynamics of single semiflexible polymers. These models include the worm-like chain model, bead-rod, bead-spring and finite element models. The limitations of the discussed methods are addressed and suggestions are made for further research. The thermal fluctuations of semiflexible polymers are important particularly in the context of molecular and cellular biophysics. This paper presents an overview of analytical and computational models and techniques that are used for capturing the thermal fluctuations of semiflexible biopolymers such as cytoskeletal filaments and DNA.
机译：浸入有限温度的粘性流体中的半柔性聚合物会不断波动。对单个半柔性聚合物的这种热波动的准确描述，构成了材料科学，力学生物学，生物物理学和生物工程学等众多研究领域中合成和生物聚合物研究的基石。当前的研究概述了捕获单个半柔性聚合物的布朗动力学的解析和数值粗粒度模型。这些模型包括蠕虫状链模型，珠棒，珠弹簧和有限元模型。解决了所讨论方法的局限性，并提出了进一步研究的建议。半柔性聚合物的热涨落在分子和细胞生物物理学的背景下尤其重要。本文概述了用于捕获半柔性生物聚合物（如细胞骨架细丝和DNA）的热波动的分析和计算模型及技术。

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